mirror of
https://gitlab.rtems.org/rtems/rtos/rtems.git
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319 lines
7.0 KiB
C
319 lines
7.0 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup test_bdbuf
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*
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* @brief Bdbuf test for block size change event.
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*/
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/*
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* Copyright (C) 2009, 2018 embedded brains GmbH & Co. KG
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "tmacros.h"
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#include <rtems.h>
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#include <rtems/ramdisk.h>
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#include <rtems/bdbuf.h>
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const char rtems_test_name[] = "BLOCK 7";
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#define ASSERT_SC( sc ) rtems_test_assert( ( sc ) == RTEMS_SUCCESSFUL )
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#define PRIORITY_INIT 1
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#define PRIORITY_HIGH 2
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#define PRIORITY_MID 3
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#define PRIORITY_LOW 4
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#define PRIORITY_SWAPOUT 5
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#define PRIORITY_IDLE 6
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#define BLOCK_SIZE_A 1
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#define BLOCK_SIZE_B 2
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#define BLOCK_COUNT 2
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static rtems_disk_device *dd;
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static rtems_id task_id_low;
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static rtems_id task_id_mid;
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static rtems_id task_id_high;
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static void change_block_size( void )
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{
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int rv = 0;
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int fd = open( "/dev/rda", O_RDWR );
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rtems_test_assert( fd >= 0 );
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rv = rtems_disk_fd_set_block_size( fd, BLOCK_SIZE_B );
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rtems_test_assert( rv == 0 );
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rv = close( fd );
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rtems_test_assert( rv == 0 );
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}
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static void task_low( rtems_task_argument arg )
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{
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(void) arg;
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rtems_status_code sc = RTEMS_SUCCESSFUL;
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rtems_bdbuf_buffer *bd = NULL;
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printf( "L: try access: 0\n" );
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sc = rtems_bdbuf_get( dd, 0, &bd );
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ASSERT_SC( sc );
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printf( "L: access: 0\n" );
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rtems_test_assert( bd->group->bds_per_group == 2 );
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printf( "L: release: 0\n" );
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sc = rtems_bdbuf_release( bd );
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ASSERT_SC( sc );
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printf( "L: release done: 0\n" );
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TEST_END();
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exit( 0 );
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}
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static void task_mid( rtems_task_argument arg )
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{
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(void) arg;
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rtems_status_code sc = RTEMS_SUCCESSFUL;
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rtems_bdbuf_buffer *bd = NULL;
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printf( "M: try access: 0\n" );
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sc = rtems_bdbuf_get( dd, 0, &bd );
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ASSERT_SC( sc );
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printf( "M: access: 0\n" );
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rtems_test_assert( bd->group->bds_per_group == 1 );
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printf( "M: release: 0\n" );
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sc = rtems_bdbuf_release( bd );
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ASSERT_SC( sc );
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printf( "M: release done: 0\n" );
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rtems_task_exit();
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}
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static void task_high( rtems_task_argument arg )
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{
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(void) arg;
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rtems_status_code sc = RTEMS_SUCCESSFUL;
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rtems_bdbuf_buffer *bd = NULL;
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change_block_size();
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printf( "H: try access: 0\n" );
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sc = rtems_bdbuf_get( dd, 0, &bd );
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ASSERT_SC( sc );
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printf( "H: access: 0\n" );
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rtems_test_assert( bd->group->bds_per_group == 1 );
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printf( "H: release: 0\n" );
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sc = rtems_bdbuf_release( bd );
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ASSERT_SC( sc );
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printf( "H: release done: 0\n" );
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rtems_task_exit();
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}
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static void do_ramdisk_register(
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uint32_t media_block_size,
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rtems_blkdev_bnum media_block_count,
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const char *disk,
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rtems_disk_device **dd
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)
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{
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rtems_status_code sc;
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int fd;
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int rv;
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sc = ramdisk_register( media_block_size, media_block_count, false, disk );
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ASSERT_SC( sc );
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fd = open( disk, O_RDWR );
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rtems_test_assert( fd >= 0 );
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rv = rtems_disk_fd_get_disk_device( fd, dd );
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rtems_test_assert( rv == 0 );
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rv = close( fd );
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rtems_test_assert( rv == 0 );
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}
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static rtems_task Init( rtems_task_argument argument )
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{
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(void) argument;
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rtems_status_code sc = RTEMS_SUCCESSFUL;
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rtems_task_priority cur_prio = 0;
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rtems_bdbuf_buffer *bd = NULL;
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TEST_BEGIN();
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do_ramdisk_register( BLOCK_SIZE_A, BLOCK_COUNT, "/dev/rda", &dd );
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sc = rtems_task_create(
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rtems_build_name( ' ', 'L', 'O', 'W' ),
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PRIORITY_LOW,
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0,
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RTEMS_DEFAULT_MODES,
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RTEMS_DEFAULT_ATTRIBUTES,
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&task_id_low
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);
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ASSERT_SC( sc );
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sc = rtems_task_start( task_id_low, task_low, 0 );
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ASSERT_SC( sc );
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sc = rtems_task_create(
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rtems_build_name( ' ', 'M', 'I', 'D' ),
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PRIORITY_MID,
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0,
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RTEMS_DEFAULT_MODES,
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RTEMS_DEFAULT_ATTRIBUTES,
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&task_id_mid
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);
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ASSERT_SC( sc );
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sc = rtems_task_start( task_id_mid, task_mid, 0 );
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ASSERT_SC( sc );
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sc = rtems_task_create(
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rtems_build_name( 'H', 'I', 'G', 'H' ),
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PRIORITY_HIGH,
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0,
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RTEMS_DEFAULT_MODES,
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RTEMS_DEFAULT_ATTRIBUTES,
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&task_id_high
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);
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ASSERT_SC( sc );
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sc = rtems_task_start( task_id_high, task_high, 0 );
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ASSERT_SC( sc );
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sc = rtems_task_suspend( task_id_mid );
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ASSERT_SC( sc );
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sc = rtems_task_suspend( task_id_high );
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ASSERT_SC( sc );
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sc = rtems_bdbuf_get( dd, 1, &bd );
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ASSERT_SC( sc );
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sc = rtems_bdbuf_release( bd );
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ASSERT_SC( sc );
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printf( "I: try access: 0\n" );
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sc = rtems_bdbuf_get( dd, 0, &bd );
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ASSERT_SC( sc );
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printf( "I: access: 0\n" );
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sc = rtems_task_set_priority( RTEMS_SELF, PRIORITY_IDLE, &cur_prio );
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ASSERT_SC( sc );
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sc = rtems_task_resume( task_id_high );
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ASSERT_SC( sc );
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sc = rtems_task_resume( task_id_mid );
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ASSERT_SC( sc );
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sc = rtems_task_set_priority( RTEMS_SELF, PRIORITY_INIT, &cur_prio );
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ASSERT_SC( sc );
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printf( "I: release: 0\n" );
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sc = rtems_bdbuf_release( bd );
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ASSERT_SC( sc );
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printf( "I: release done: 0\n" );
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rtems_task_exit();
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}
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#define CONFIGURE_INIT
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#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
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#define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 4
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#define CONFIGURE_MAXIMUM_TASKS 4
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#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
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#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
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#define CONFIGURE_INIT_TASK_PRIORITY PRIORITY_INIT
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#define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_DEFAULT_ATTRIBUTES
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#define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_DEFAULT_MODES
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#define CONFIGURE_SWAPOUT_TASK_PRIORITY PRIORITY_SWAPOUT
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#define CONFIGURE_BDBUF_BUFFER_MIN_SIZE BLOCK_SIZE_A
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#define CONFIGURE_BDBUF_BUFFER_MAX_SIZE BLOCK_SIZE_B
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#define CONFIGURE_BDBUF_CACHE_MEMORY_SIZE ( BLOCK_SIZE_A * BLOCK_COUNT )
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#include <rtems/confdefs.h>
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